Plastic Sign Ballast Cross Reference:
Advance Ballast ASB-0412-12-BL-TP
Allanson 272-AT
GE GESB-0412-12-IP
Universal Ballast USB0412-12
Sylvania MSB-12-0412-TP
Howard MSB/0412/12/120
Sola E620-F-1236110-TP
Hatch GSB-0412-12-120

Keystone's line of sign ballasts makes sign maintenance simple. With only 6 ballasts that cover virtually all common plastic sign configurations, you're sure to have the right ballast for the job. With Keystone's quality and dependability, you can count on your installation to last, maintenance-free for years to come.

The Keystone KTSB-0412-12-1-TP is UL and CUL 935 Listed, and will operate 1-2 lamps and a total lamp footage of 4-12 feet. This plastic sign ballast has an input voltage of 120V, has a Rapid Start starting method with 480V Open Circuit Voltage (OCV) and the lamps are connected in Series.

This Class P ballast is also rated UL Type 2 Outdoor. Type II safety cans may be used in plastic sign applications without putting the ballast in a separate metal enclosure. The minimum starting temperature is minus 20 degrees Fahrenheit and the maximum ballast case temperature is 194 degrees Fahrenheit or 90 degrees Celsius. This magnetic ballast transformer is thermally protected and carries a 3 Year warranty.

Keystone Class P fluorescent plastic sign ballasts are ideal for applications such as backlit signs, channel letters, and building fascias, as well as other applications requiring T12/HO Rapid Start Fluorescent Lamps.

Specification Sheet